Examples of org.drools.WorkingMemory.update()

org.drools.WorkingMemory.update()
Inform the WorkingMemory that a Fact has been modified and that it should now update the network. @param handle The fact-handle associated with the fact to modify. @param object The new value of the fact. @throws FactException If a RuntimeException error occurs.

                      events.size() );


        // problems should be detected
        sensor.setPressure( 200 );
        sensor.setTemperature( 200 );
        workingMemory.update( handle,
                              sensor );


        workingMemory.fireAllRules();
        //        logger.writeToDisk();

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        assertEquals( 2,
                      cheeseList.size() );


        // europe=[ 1, 2 ], america=[ 3 ]
        p3.setStatus( "america" );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

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        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ 1 ], america=[ 2, 3 ]
        p2.setStatus( "america" );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

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        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ ], america=[ 1, 2, 3 ]
        p1.setStatus( "america" );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );

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        assertEquals( 2,
                      cheeseList.size() );


        // europe=[ 2 ], america=[ 1, 3 ]
        p2.setStatus( "europe" );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

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        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ 1, 2 ], america=[ 3 ]
        p1.setStatus( "europe" );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

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        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ 1, 2, 3 ], america=[ ]
        p3.setStatus( "europe" );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );

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        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        // modifying sensor
        sensor.setTemperature( 125 );
        workingMemory.update( sensorHandle,
                              sensor );
        workingMemory.fireAllRules();


        // alarm must continue to sound
        assertEquals( 3,

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        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        // modifying sensor
        sensor.setTemperature( 80 );
        workingMemory.update( sensorHandle,
                              sensor );
        workingMemory.fireAllRules();


        // no alarms anymore
        assertEquals( 3,

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                             ((Set) results.get( results.size() - 1 )).size() );


        // ---------------- 2nd scenario
        final int index = 1;
        cheese[index].setPrice( 9 );
        wm.update( cheeseHandles[index],
                   cheese[index] );
        wm.fireAllRules();


        // fire again
        assertEquals( 2,

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